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This patch adds special handling for lib/<libname> arguments to the build system, which supersedes the former LIB=<libname> mechanism. Whereas the old mechanism was limited to a single library, the new convention allows multiple library arguments, similar to regular targets. The change brings the two immediate benefits. First, the streamlining of library and target arguments allows for the building of libraries via the 'build' command of the run tool. Second, it alleviates the need for pseudo target.mk files for building shared libraries that have no direct dependencies, in particular VFS plugins. Since this change eases the explicit creation of shared libraries from run scripts, we may reconsider the automatic implicit building of shared libraries driven by targets. E.g., while developing a Qt application, a run script could import the Qt libraries from the depot and combine those with the developed (fresh built) target without triggering the build of the Qt libraries in the build directory. When issueing 'make' without arguments, all targets are built. This patch applies this behavior to libraries as well, thereby removing the need for the base/src/lib/target.mk pseudo target as used by the CI tools to build all libraries. Note that target.mk files located under src/lib/ are no longer reachable. Therefore, all run scripts that used to trigger the build of a shared library via a pseudo target must be adapted. E.g., 'build lib/vfs/tap' must be replaced by 'build lib/vfs_tap'. With this patch, the LIB=<libname> option is no longer supported. Fixes #4599 |
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| README | ||
This is generic part of the Genode implementation. It consists of two parts: :_Core_: is the ultimate root of the Genode application tree and provides abstractions for the lowest-level hardware resources such as RAM, ROM, CPU, and generic device access. All generic parts of Core can be found here - for system-specific implementations refer to the appropriate 'base-<system>' directory. :_Base libraries and protocols_: that are used by each Genode component to interact with other components. This is the glue that holds everything together. _Core_ may export information about the hardware platform by an ROM called 'platform_info'. Depending on the platform, e.g. ARM or x86 or riscv, and depending on the boot mode and boot loader and kernel, some nodes may not be populated. !<platform_info> ! <acpi revision="2" rsdt="0x1fe93074" xsdt="0x1fe930e8"/> ! <boot> ! <framebuffer phys="0x7300000" width="1024" height="768" bpp="32"/> ! </boot> !</platform_info> If the ACPI RSDT and XSDT physical pointer is reported by the used kernel and/or bootloader, _Core_ may provide this information by the ROM. If the graphic device is initialised and can be directly used by a framebuffer driver, _Core_ may provide the physical pointer to the framebuffer, the resolution and color depth in bits.